C111123313121111121111331333133313231323132322331323133112112321   >>    C11112331312111112111133133313331323132313232233132313311211232   <<    C111123313121111121111331333133313231323132322331323133112112323   >>      C111123313121111121111331333133313231323132322331323133112112322   >>